package com.googlecode.gwt.test.internal;
import java.util.ArrayList;
import java.util.List;
import com.google.gwt.user.client.ui.UIObject;
import com.google.gwt.user.client.ui.UIObject.DebugIdImpl;
import com.google.gwt.user.client.ui.UIObject.DebugIdImplEnabled;
import com.googlecode.gwt.test.GwtModule;
import com.googlecode.gwt.test.GwtModuleRunner;
import com.googlecode.gwt.test.exceptions.GwtTestConfigurationException;
import com.googlecode.gwt.test.exceptions.GwtTestException;
import com.googlecode.gwt.test.uibinder.UiObjectTagFactory;
import com.googlecode.gwt.test.utils.GwtReflectionUtils;
/**
* Internal configuration of gwt-test-utils. <strong>For internal use only.</strong>
*
* @author Gael Lazzari
*
*/
public class GwtConfig implements AfterTestCallback {
private static final GwtConfig INSTANCE = new GwtConfig();
public static GwtConfig get() {
return INSTANCE;
}
private final DebugIdImpl disabledInstance = new DebugIdImpl();
private final DebugIdImpl enabledInstance = new DebugIdImplEnabled();
private GwtModuleRunner gwtModuleRunner;
private String moduleAlias;
private String testedModuleName;
private final List<UiObjectTagFactory<?>> uiObjectTagFactories = new ArrayList<UiObjectTagFactory<?>>();
private GwtConfig() {
AfterTestCallbackManager.get().registerFinalCallback(this);
}
public void afterTest() throws Throwable {
gwtModuleRunner = null;
uiObjectTagFactories.clear();
}
public String getModuleAlias() {
return moduleAlias;
}
public GwtModuleRunner getModuleRunner() {
return gwtModuleRunner;
}
public String getTestedModuleName() {
return testedModuleName;
}
public List<UiObjectTagFactory<?>> getUiObjectTagFactories() {
return uiObjectTagFactories;
}
public void setupGwtModule(Class<?> testClass) {
GwtModule gwtModule = testClass.getAnnotation(GwtModule.class);
if (gwtModule == null) {
throw new GwtTestConfigurationException("The test class " + testClass.getName()
+ " must be annotated with @" + GwtModule.class.getSimpleName()
+ " to specify the fully qualified name of the GWT module to test");
}
String moduleName = gwtModule.value();
if (moduleName == null || "".equals(moduleName.trim())) {
throw new GwtTestConfigurationException("Incorrect value for @"
+ GwtModule.class.getSimpleName() + " on " + testClass.getName() + ": "
+ moduleName);
}
if (!GwtFactory.get().getConfigurationLoader().getGwtModules().contains(moduleName)) {
throw new GwtTestConfigurationException(
"The tested @GwtModule '"
+ moduleName
+ "' configured in "
+ testClass.getName()
+ " has not been found. Did you forget to declare a 'gwt-module' property in your 'META-INF/gwt-test-utils.properties' configuration file ?");
}
this.testedModuleName = moduleName;
}
/**
* Setup a GWT module to be run. <strong>This method must be run only once, at the very beginning
* of the GWT module emulation.</strong>
*
* @param gwtModuleRunner The configuration of the module to be run.
*/
public void setupInstance(GwtModuleRunner gwtModuleRunner) {
if (this.gwtModuleRunner != null) {
throw new GwtTestException(
"Because of the single-threaded nature of the GWT environment, gwt-test-utils tests can not be run in multiple thread at the same time");
}
this.gwtModuleRunner = gwtModuleRunner;
this.moduleAlias = ModuleData.get(testedModuleName).getAlias();
setupDebugIdImpl(gwtModuleRunner.ensureDebugId());
}
private void setupDebugIdImpl(boolean ensureDebugId) {
DebugIdImpl debugIdImplToUse = ensureDebugId ? enabledInstance : disabledInstance;
GwtReflectionUtils.setStaticField(UIObject.class, "debugIdImpl", debugIdImplToUse);
}
}